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5449489 is a prime number
BaseRepresentation
bin10100110010011100010001
3101020212021221
4110302130101
52343340424
6312445041
764214503
oct24623421
911225257
105449489
113092311
1219a9781
13118a566
14a1bd73
157299e4
hex532711

5449489 has 2 divisors, whose sum is σ = 5449490. Its totient is φ = 5449488.

The previous prime is 5449487. The next prime is 5449511. The reversal of 5449489 is 9849445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 1809025 = 1908^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 5449489 - 21 = 5449487 is a prime.

It is a super-2 number, since 2×54494892 = 59393860722242, which contains 22 as substring.

Together with 5449487, it forms a pair of twin primes.

5449489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5449487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2724744 + 2724745.

It is an arithmetic number, because the mean of its divisors is an integer number (2724745).

Almost surely, 25449489 is an apocalyptic number.

It is an amenable number.

5449489 is a deficient number, since it is larger than the sum of its proper divisors (1).

5449489 is an equidigital number, since it uses as much as digits as its factorization.

5449489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 5449489 is about 2334.4140592448. The cubic root of 5449489 is about 175.9753861068.

The spelling of 5449489 in words is "five million, four hundred forty-nine thousand, four hundred eighty-nine".